Edward c



@eine tstee. sttent @ffice- Letters .Pqtet No; 78:020, dated May 19, 1868 antedated llagj?, 1.868.

- IMPROVEMENTIN WATCH, CLOCK, -AND LOGE-KEYS.

@the maken nimm-tu int tigen ttn ttmt aan' mitnimmt nf'tlp sans.

To ALL WHOM I T MAY G ONOERM c Be it known .that I, EDWARD C. RYR, of the city of Burlington, in the county of Chittenden, and State of Vermont, have invented a new and improved Watch, C1ocl{,and 'Loek-Key; and I do hereby declarethat the following is a. full and exact description thereof, reference being had 'to the accompanying drawings, and the letters of reference marked thereon. v The`na'ture of my invention or'improvement consists in the manner of Voperetng `adjustable watcl1elocl r, undjlock-keys. 'T I ,To ,en-ableothers skilled in the art `to make and usemy invention, I will proceed to describeits construction and operation; e

Iconstruct the split spring-barrel B^ of theform as shown, nndplace thereon the sleeve G,.fpr -the purpose ot adjusting. the barrel B 'to any desired size; I then add to the sleeve C the finding-,ring A, which ring is also used'in connection with the -sleeve Cfto adjust the lrey to proper size. `To prevent the sleeve C from slidingA up .end off the barrel B, I'either upset the small end ot" the barrel simply, or introduce the washer E for that- ,purposq in the rnanner shawn byiigQZ. I place upon the barrel B,ju`stal5ov,e the shoulders F, the ring G, for `the purpose of strengthening the key whenbeing used to its largest s ze.

To use my 'invention-for improvement, lower or raise the sleeve C until the jaws of the barrel B are dran-n #together or extended to the proper size desired. l n l llig'nrc lfview of key open. l

" Figure 2, longitudinal section .on line a B, fig. 3, (key closed.)A

'Figure 3, bottom of key.

What I claim as myinventi-on, and desire to secnreby Letters Potent, is-

',1. The -manner`ofapplying the sleeve C to the barrelof en adjustable watch, clock, or lock-key, all as ll A r herein described' nndshown, and for the purpose specified. I Y t l 2. The ring A o1." its equivalent, as applied tothe sleeve C, all as herein s hon'n and described, :1nd for 'the Vpunposc speciied.

3. The ring Gr, as appliedto the barrel B, all as herein shown and described, and for the purposespeciiied.

EDWARD C'. RYER.' Witnesses: A,

- E. O. WIRES,

E. A. HEMENWAY. 

